diff --git a/.gitmodules b/.gitmodules
index 17261bba..6c6f3eb9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 [submodule "components/esp-dsp"]
 	path = components/esp-dsp
 	url = https://github.com/philippe44/esp-dsp.git
+[submodule "components/wifi-manager/UML-State-Machine-in-C"]
+	path = components/wifi-manager/UML-State-Machine-in-C
+	url = https://github.com/kiishor/UML-State-Machine-in-C